RAJASTHAN ­ PET Rajasthan PET Solved Paper-2005

  • question_answer
    Which of the following will reduce the Tollen's reagent?

    A)  \[HCOOH\]      

    B)  \[C{{H}_{3}}COOH\]

    C)  \[HOOC-COOH\]

    D)  \[{{C}_{6}}{{H}_{5}}COOH\]

    Correct Answer: A

    Solution :

     \[\underset{formic\,acid}{\mathop{HCOOH}}\,+\underset{\begin{smallmatrix}  Tollen's \\  reagent \end{smallmatrix}}{\mathop{A{{g}_{2}}O}}\,\xrightarrow[{}]{{}}\] \[C{{O}_{2}}+{{H}_{2}}O+\underset{\begin{smallmatrix}  silver \\  mirror \end{smallmatrix}}{\mathop{2Ag\downarrow }}\,\]


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